$ git clone -n https://src.fedoraproject.org/rpms/mkbootdisk.git /var/lib/mock/f31-build-115656-34508/root/chroot_tmpdir/scmroot/mkbootdisk
Cloning into '/var/lib/mock/f31-build-115656-34508/root/chroot_tmpdir/scmroot/mkbootdisk'...
$ git reset --hard bb7ee227fa619a4e2ef025d0c96c7ce9436d792d
HEAD is now at bb7ee22 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild